| 摘要 |
PURPOSE: An air supply system of bus is provided to reduce the noise and vibration generated, when a compressor compresses air, by generating pulsating change of the compressed air by a muffler. CONSTITUTION: An air supply system of bus comprises a compressor(10), an air dryer(20), a recycling tank(30), and an air tank(40). The compressor compresses air. The air dryer eliminates moisture from the air compacted by the compressor. The recycling tank supplies air to the air dryer. The air tank stores the compressed air which is dehumidified by the air dryer. A muffler(60) is installed in the center of the path through which the compressed air moves. The muffler is a hollow cylinder pipe. The muffler has a compressed air intake hole at one side and a compressed air discharge hole at the other side. The diameter of the air intake hole and discharge hole are smaller than the inside diameter of the cylinder pipe.
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